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  1. Member
    Join Date
    Dec 2012
    Location
    Cassville, MO
    Posts
    254
    #21
    Ok he said main power relay. A code did pop up on this relay. My question is if this relay was not working would the fuel pumps still kick in????
    1992 190 SC with 2001 Mercury 200 EFI

  2. Member
    Join Date
    Dec 2012
    Location
    Cassville, MO
    Posts
    254
    #22
    So was just wondering what the main power relay runs on the motor?????
    1992 190 SC with 2001 Mercury 200 EFI

  3. Member
    Join Date
    Dec 2012
    Location
    Cassville, MO
    Posts
    254
    #23
    I will try one more time. Had the main power relay replaced in my boat. My question is what does this relay run in the motor??? When I was having the issue i could still here the fuel pump kick in. Still recovering from surgery so can not get on boat yet.
    1992 190 SC with 2001 Mercury 200 EFI

  4. Member
    Join Date
    Apr 2017
    Location
    Searchlight, NV. Lake Mohave
    Posts
    421
    #24
    Sounds very similar to some intermittent problems I am having. Right away I suspected the ignition switch, but then the problem goes away.

  5. Member
    Join Date
    Dec 2012
    Location
    Cassville, MO
    Posts
    254
    #25
    The mechanic said that it will act like when the relay is going out for motor trim and will have real intermittent issues. I hope next week I am released and can start using the boat more to see if it is fixed.
    1992 190 SC with 2001 Mercury 200 EFI

  6. Member
    Join Date
    Dec 2012
    Location
    Cassville, MO
    Posts
    254
    #26
    All day on the water no issues I hope fixed. Of course saw a little fishing line on prop so went to take prop off but it has a prop lock on and I do not have the key. I swear if there was not something going on with this boat I would be worried sick.
    1992 190 SC with 2001 Mercury 200 EFI

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